CN210139013U - Building construction safety device - Google Patents

Abstract

The utility model discloses a building construction safety protection device, which comprises a frame, the upper surface of the frame is provided with a shell, the bottom of the frame is provided with four groups of brackets, the brackets are respectively positioned at the four corners of the bottom of the frame, the brackets are fixedly connected with a transverse plate between the brackets, the upper surface of the transverse plate is provided with scale marks, the upper surface of the transverse plate is also provided with a groove, the inside of the groove is provided with a sliding block, the sliding block is provided with a through hole, the upper surface of the sliding block is provided with a motor, the output shaft of the motor is connected with a cutting blade through a coupling, the two sides of the transverse plate are both provided with bolt holes, the bolt holes are communicated with the groove, and the inside of the bolt holes is provided with bolts, the utility model can achieve the work of adjusting the cutting length of reinforcing steel, can protect the staff.

Description

Building construction safety device

Technical Field

The utility model relates to a construction technical field specifically is a construction safety device.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The construction site is called a "construction site" or a "construction site", also called a construction site, and the cutting work of the steel bars is often required in the construction process.

At present, a building construction safety protection device cannot achieve the work of adjusting the cutting length of a steel bar, workers need to participate in the cutting process, and the workers cannot be protected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a construction safety device can reach the work of adjusting reinforcing bar cutting length, does not need the staff to participate in the cutting process, can play the effect of protection to the staff to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a building construction safety protection device comprises a frame, wherein a shell is arranged on the upper surface of the frame, a support is arranged at the bottom of the frame, four groups of supports are arranged on the support, the four groups of supports are respectively positioned at four corners of the bottom of the frame, transverse plates are fixedly connected among the four groups of supports, scale marks are arranged on the upper surface of each transverse plate, grooves are further formed in the upper surface of each transverse plate, sliding blocks are arranged inside the grooves, through holes are formed in the sliding blocks, motors are arranged on the upper surfaces of the sliding blocks, motor output shafts are connected with cutting blades through couplings, bolt holes are formed in two sides of each transverse plate and communicated with the grooves, bolts are arranged inside the bolt holes, the transverse plates are fixedly connected with the sliding blocks through the matching of the bolts, the bolt holes and the through holes, a feed inlet is formed, and the discharge gate has been seted up to one side lower extreme of casing, the door plant is connected through round pin axle rotation to the inside both sides of discharge gate, the lower surface mosaic of door plant has magnet, inlay on one side of the upper surface of frame has the iron sheet corresponding with magnet, just the inside step that all is equipped with in both sides of frame, servo electric jar is installed to the upper surface opposite side of frame, lead screw fixedly connected with plate in the servo electric jar.

Preferably, the inside both ends of recess all are equipped with the stopper, the sliding block is located two sets of between the stopper.

Preferably, the lower end of the shell is provided with a heat dissipation hole, and the heat dissipation hole is located on one side of the servo electric cylinder.

Preferably, the number of the magnets is the same as that of the iron sheets, and the magnets and the iron sheets are adsorbed together.

Preferably, the height of the plate is 0.5-1cm lower than that of the discharge hole, and the plate is a stainless steel plate.

Preferably, the through holes are arranged in two groups, and the two groups of through holes are symmetrically arranged.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the scale marks, the transverse plate is fixedly connected with the sliding blocks through the matching of the bolts, the bolt holes and the through holes, the distance between two or more groups of sliding blocks can be adjusted, the distance between two or more groups of motors can be further adjusted, and the work of adjusting the cutting length of the steel bars can be further achieved;

2. through the inside that drops into to the casing from the feed inlet with the reinforcing bar that will wait to cut, the both ends of reinforcing bar can be located the upper surface of two sets of steps this moment, open motor and servo electric jar, lead screw in the servo electric jar can promote the plate and remove to the direction of discharge gate, and then can promote the reinforcing bar to the direction of discharge gate, in the promotion in-process to the reinforcing bar, motor work can drive cutting blade high-speed rotatory, in the fast-speed rotatory in-process of cutting blade, can accomplish the cutting work to the reinforcing bar, the reinforcing bar after the cutting is followed the inside that the discharge gate released the casing by servo electric jar, do not need the staff to participate in the cutting process, can play the effect of protection to the staff.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional structural view of the frame of the present invention;

FIG. 3 is a schematic cross-sectional view of the cross plate of the present invention;

fig. 4 is a schematic top view of the frame of the present invention;

fig. 5 is a schematic diagram of the position structure of the magnet according to the present invention;

FIG. 6 is a schematic view of the upper surface structure of the housing of the present invention;

FIG. 7 is a schematic view of the position structure of the heat dissipation holes of the present invention;

FIG. 8 is a schematic view of a cross plate of the present invention looking down on a part of the structure;

fig. 9 is a block diagram of the control system of the present invention;

fig. 10 is a circuit diagram of the servo electric cylinder control of the present invention;

fig. 11 is an H-bridge motor driving circuit diagram of the motor.

In the figure: the automatic feeding device comprises a frame 1, a shell 2, a support 3, a transverse plate 4, a groove 5, a sliding block 6, a through hole 7, a motor 8, a cutting blade 9, a bolt hole 10, bolts 11, a feed inlet 12, a discharge port 13, a pin shaft 14, a door panel 15, a magnet 16, an iron sheet 17, a step 18, a servo electric cylinder 19, a screw rod 20, a plate 21, a limiting block 22, heat dissipation holes 23 and scale marks 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: a building construction safety protection device comprises a frame 1, a shell 2 is arranged on the upper surface of the frame 1, brackets 3 are arranged at the bottom of the frame 1, four groups of brackets 3 are arranged on the brackets 3, the four groups of brackets 3 are respectively positioned at four corners of the bottom of the frame 1, transverse plates 4 are fixedly connected among the four groups of brackets 3, scale marks 24 are arranged on the upper surface of each transverse plate 4, grooves 5 are further formed in the upper surface of each transverse plate 4, sliding blocks 6 are arranged in the grooves 5, through holes 7 are formed in the sliding blocks 6, motors 8 are arranged on the upper surfaces of the sliding blocks 6, output shafts of the motors 8 are connected with cutting blades 9 through couplings, bolt holes 10 are formed in two sides of each transverse plate 4, the bolt holes 10 are communicated with the grooves 5, bolts 11 are arranged in the bolt holes 10, the transverse plates 4 are fixedly connected with the sliding blocks 6 through the, the transverse plate 4 is fixedly connected with the sliding blocks 6 through the matching of the bolts 11, the bolt holes 10 and the through holes 7, the distance between two or more groups of sliding blocks 6 can be adjusted, the distance between two or more groups of motors 8 can be further adjusted, and the work of adjusting the cutting length of the steel bars can be further achieved; the upper end of the shell 2 is provided with a feeding hole 12, the lower end of one side of the shell 2 is provided with a discharging hole 13, two inner sides of the discharging hole 13 are rotatably connected with a door plate 15 through a pin shaft 14, a magnet 16 is inlaid on the lower surface of the door plate 15, an iron sheet 17 corresponding to the magnet 16 is inlaid on one side of the upper surface of the frame 1, steps 18 are arranged inside two sides of the frame 1, a servo electric cylinder 19 is installed on the other side of the upper surface of the frame 1, a plate 21 is fixedly connected to a lead screw 20 in the servo electric cylinder 19, a steel bar to be cut is put into the shell 2 from the feeding hole 12, two ends of the steel bar are positioned on the upper surfaces of the two groups of steps 18, the motor 8 and the servo electric cylinder 19 are opened, the lead screw 20 in the servo electric cylinder 19 can push the plate 21 to move towards the discharging hole 13, and further push the steel bar towards the discharging hole 13, in the, in the high-speed rotation process of cutting blade 9, can accomplish the cutting work to the reinforcing bar, the reinforcing bar after the cutting is pushed out the inside of casing 2 from discharge gate 13 by servo electric cylinder 19, does not need the staff to participate in the cutting process, can play the effect of protection to the staff.

Further, recess 5's inside both ends all are equipped with stopper 22, and sliding block 6 is located between two sets of stoppers 22, is located between two sets of stoppers 22 through sliding block 6, can avoid the inside condition that sliding block 6 breaks away from recess 5 can appear effectively.

Furthermore, the lower end of the casing 2 is provided with a heat dissipation hole 23, the heat dissipation hole 23 is located on one side of the servo electric cylinder 19, and the purpose of dissipating heat of the servo electric cylinder 19 can be achieved by locating the heat dissipation hole 23 on one side of the servo electric cylinder 19.

Further, the quantity of magnet 16 is unanimous with the quantity of iron sheet 17, and magnet 16 adsorbs together with iron sheet 17, adsorbs together through magnet 16 and iron sheet 17, can make door plant 15 cover discharge gate 13, when avoiding cutting the reinforcing bar, has impurity to splash, causes the injury to the staff.

Furthermore, the height of the plate 21 is 0.5-1cm lower than that of the discharge port 13, the plate 21 is a stainless steel plate, and the cut steel bars can be better pushed out of the shell 2 by the plate 21 with the height of 0.5-1cm lower than that of the discharge port 13.

Further, through-hole 7 is provided with two sets ofly, and 7 symmetry settings of two sets of through-holes, through 7 symmetry settings of two sets of through-holes, can be better reach and carry out the purpose fixed to sliding block 6.

The utility model discloses a PLC controller respectively with the touch-sensitive screen, operating button, drive actuating mechanism and sensor inspection component etc. and connect and realize that servo motor drives the accurate rotational positioning of lead screw, according to system control requirement and control function analysis, PLC program module selects S7-200 series CPU224XP CN as the core control unit, expand an EM223CN (16 point input/16 point output) module, an EM221CN (16 point input) module and an EM232(2 go into analog output) module in addition; the CPU224XP integrates 24 digital I/O points of 14 input/10 output, 3 analog I/O points of 2 input/1 output, 6 independent high-speed counters (100kHz), 2 high-speed pulse outputs of 100kHz, and the PLC has compact structure, high processing speed, moderate price and certain expansion capability, and is mainly used for controlling tasks such as processing of high-speed pulses of a frequency converter, a servo driver, a receiving encoder and other external I/O digital quantities.

The servo electric cylinder 19 adopts a 3 kW/3000-turn belt brake servo motor, is provided with an HS series driver, and adopts a position mode wiring mode, as shown in FIG. 6, the level of a pulse input port of the HS series servo driver is a standard TTL level, and proper current limiting resistance values must be configured for pulse and direction signals, otherwise, the port damage can be caused. When VCC is 24V ± 5%, R is 2k Ω/0.25 W. Terminals 4 and 20 in fig. 6 are torque up (AT TRQ) signals, and when the torque reaches the Fn 049 setting, terminals 4 and 20 are on, indicating clamping in place. The 6 and 22 terminals are alarm signals. The parameter configuration is as follows: setting the control mode Fn 000 to 1, and controlling the hard wire connection working mode of the port normally; fn 001 is set to 2, external pulse position mode; the rotation Fn038 of the external pulse command mode is set to 1, single pulse positive logic; the electronic gear ratio Fn 050 (numerator) is set to 5, Fn 054 (denominator) is set to 2, and when the PLC generates 200kHz pulse, the servo motor reaches the maximum rotating speed of 3000 r/min.

The servo control of the servo electric cylinder 19 can adopt a PTO/PWM generator carried by V4.0STEP 7Mi-WIN SP9 software, Q0.0 and Q0.1 are configured as square wave pulse generators, Q0.0 is taken as an example for explanation, SMB67 is configured as 16#81, square waves are formed, the period unit is 1us, single-section continuous pulses are output, and the period SMW68 is input from a touch screen.

The pulse counting of the encoder adopts high-speed counters HC 0-HC 2, the three counters all adopt a working mode 10, namely, the two-phase orthogonal counting of two-path pulse input is realized, the A-phase pulse leads the B-phase pulse, the counting is added, the A-phase pulse lags the B-phase pulse, and the counting is subtracted.

1) The motor driving circuit based on the H-bridge originally uses a mechanical relay, and has the problems of slow response, large volume and small rated maximum passing current. When the rated maximum passing current is small and the motor is started or the load is large, the contact is easy to burn. An H-bridge circuit consisting of 4 fets is used, with IRF4905 as the upper bridge and IRF3205 as the lower bridge, as shown in fig. 11.

① when the Al input terminal is high and the A2 input terminal is low, Q2 and Q3 are turned on, Q1 and Q4 are turned off, the current flows from Q2 to Q3, and the DC motor rotates forward.

② when the A1 terminal is low and A2 terminal is high, Q2 and Q3 are turned off, Q1 and Q4 are turned on, and current flows from Q1 to Q4, and the DC motor rotates in reverse.

③ when A1 and A2 are high level or low level at the same time, Q1, Q2, Q3 and Q4 do not form a loop, no current flows through the motor, and the motor does not work.

The photoelectric switch of the utility model is arranged on the inner wall of the shell 2, the photoelectric switch selects HPJ-E21, HPJ-R21 for position detection, the switch is used in pairs, wherein the switch is connected with a black wire and is HPJ-E21 as a transmitting tube of a light source; the connecting white line is HPJ-R21. And (4) installing the photoelectric switch at a corresponding position of the transmission mechanism, and testing whether the electric push rod reaches a corresponding position. The control system confirms the movement position of the threaded spindle 20 by means of 1 respective photoelectric switch.

The utility model discloses well limit switch adopts electromagnetic induction formula limit switch, and electromagnetic induction formula limit switch has strengthened the control to the signal, and control room PLC and touch-sensitive screen are fed back to the signal. The electromagnetic induction type limit switch uses the inner side surface of the shell 2 as an induction surface, when the screw rod 20 is induced, the electromagnetic induction type limit switch outputs '0', and the opposite output is '1'.

The working principle is as follows: the building construction safety protection device is characterized in that through the scale marks 24, the transverse plate 4 is fixedly connected with the sliding blocks 6 through the matching of the bolts 11, the bolt holes 10 and the through holes 7, the distance between two or more groups of sliding blocks 6 can be adjusted, the distance between two or more groups of motors 8 can be adjusted, the work of adjusting the cutting length of the steel bars can be achieved, the steel bars to be cut are put into the shell 2 from the feed inlet 12, the two ends of the steel bars can be positioned on the upper surfaces of the two groups of steps 18 at the moment, the motors 8 and the servo electric cylinders 19 are opened, the lead screws 20 in the servo electric cylinders 19 can push the plate 21 to move towards the discharge port 13, the steel bars can be pushed towards the discharge port 13, the motors 8 can drive the cutting blades 9 to rotate at a high speed in the pushing process of the steel bars, the cutting work of the steel bars at a high speed can be completed, the inside of casing 2 is pushed out from discharge gate 13 to the reinforcing bar after the cutting by servo electric cylinder 19, does not need the staff to participate in the cutting process, can play the effect of protection to the staff.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a construction safety device, includes frame (1), its characterized in that: the upper surface of the frame (1) is provided with a shell (2), the bottom of the frame (1) is provided with a support (3), the support (3) is provided with four groups, the four groups of the supports (3) are respectively positioned at four corners of the bottom of the frame (1), a transverse plate (4) is fixedly connected between the four groups of the supports (3), the upper surface of the transverse plate (4) is provided with scale marks (24), the upper surface of the transverse plate (4) is also provided with a groove (5), a sliding block (6) is arranged inside the groove (5), the sliding block (6) is provided with a through hole (7), the upper surface of the sliding block (6) is provided with a motor (8), the output shaft of the motor (8) is connected with a cutting blade (9) through a coupler, bolt holes (10) are formed in two sides of the transverse plate (4), and the bolt holes (10) are, and the bolt (11) is arranged in the bolt hole (10), the transverse plate (4) is fixedly connected with the sliding block (6) through the matching of the bolt (11), the bolt hole (10) and the through hole (7), the upper end of the shell (2) is provided with a feeding hole (12), a discharge hole (13) is arranged at the lower end of one side of the shell (2), two inner sides of the discharge hole (13) are rotatably connected with a door plate (15) through a pin shaft (14), a magnet (16) is embedded in the lower surface of the door panel (15), an iron sheet (17) corresponding to the magnet (16) is embedded in one side of the upper surface of the frame (1), steps (18) are arranged inside two sides of the frame (1), a servo electric cylinder (19) is arranged on the other side of the upper surface of the frame (1), and a plate (21) is fixedly connected with a lead screw (20) in the servo electric cylinder (19).

2. The construction safety device according to claim 1, wherein: the inside both ends of recess (5) all are equipped with stopper (22), sliding block (6) are located two sets of between stopper (22).

3. The construction safety device according to claim 1, wherein: the lower end of the shell (2) is provided with a heat dissipation hole (23), and the heat dissipation hole (23) is located on one side of the servo electric cylinder (19).

4. The construction safety device according to claim 1, wherein: the number of the magnets (16) is consistent with that of the iron sheets (17), and the magnets (16) and the iron sheets (17) are adsorbed together.

5. The construction safety device according to claim 1, wherein: the height of the plate (21) is 0.5-1cm lower than that of the discharge hole (13), and the plate (21) is a stainless steel plate.

6. The construction safety device according to claim 1, wherein: the through holes (7) are arranged in two groups, and the through holes (7) are symmetrically arranged in two groups.

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